Hi all. I have a 2008 and have been told that via a shop diagnosis that my “firewall” side catalytic converter needs to be replaced along with the EGR valve. I have the P0420 code and unable to pass emissions testing in the state of Maryland. I have an estimate for around $1200 for the whole job but being a DIYer I always try to see if I can tackle the job myself. Does anyone here have any experience replacing either one of these items and if so would you mind sharing your experience so I can determine the feasibility of trying to do this myself. Thanks in advance for your time.
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